Usar la aplicación APKPure
Obtener Floating Action Button versión histórica en Android
Muestra para la biblioteca FloatingActionButton de código abierto.
Sample for the open-source library FloatingActionButton.
Android floating action button which reacts on the scrolling events. Becomes visible when an attached target is scrolled up and invisible when scrolled down.
Sources: https://github.com/makovkastar/FloatingActionButton